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ANSI/ASTM D3946-1992 评价馏出水金属加工液抗菌性

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【英文标准名称】:BioresistanceofWater-SolubleMetal-WorkingFluids(05.02)
【原文标准名称】:评价馏出水金属加工液抗菌性
【标准号】:ANSI/ASTMD3946-1992
【标准状态】:作废
【国别】:美国
【发布日期】:1992
【实施或试行日期】:1999-03-05
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:石油产品;耐力
【英文主题词】:Evaluations;Liquids;Lubricants;Petroleumproducts;Processes;Resistance;Resistors
【摘要】:Thistestmethodcoversevaluatingrelativebioresistanceofaqueousmetalworkingfluidsbychallengingthemwithabiologicalinoculumpreparedfromspecificdeterioratedmetalworkingfluidfromtheuser'ssite.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E98
【国际标准分类号】:75_100
【页数】:
【正文语种】:英语


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【英文标准名称】:StandardPracticeforAcid-ExtractionofElementsfromSedimentsUsingClosedVesselMicrowaveHeating
【原文标准名称】:使用封闭式微波炉加热法从沉淀物中酸萃取元素的标准实施规程
【标准号】:ASTMD5258-2002(2007)
【标准状态】:现行
【国别】:
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D19.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:digestion;microwave;sediments;soils;vessel
【摘要】:Partialextractionofsoilsandsedimentscanprovideinformationontheavailabilityofelementstoleeching,waterqualitychanges,orothersiteconditions.Rapidheating,incombinationwithtemperaturesinexcessoftheatmosphericboilingpointofnitricacid,reducessamplepreparationorreactiontimes.Littleornoacidsarelosttoboilingorevaporationinthecloseddigestionvesselsoadditionalportionsofacidmaynotberequired.Increasedblankcorrectionsfromtraceimpuritiesinacidareminimized.1.1Thispracticecoversthedigestionofsoilsandsedimentsforsubsequentdeterminationofacid-extractableconcentrationsofcertainelementsbysuchtechniquesasatomicabsorptionandatomicemissionspectroscopy.1.1.1Concentrationsofarsenic,cadmium,copper,lead,magnesium,manganese,nickel,andzinccanbeextractedfromtheprecedingmaterials.Otherelementsmaybedeterminedusingthispractice.1.2Theanalyticalsampleisarbitrarilydefinedasthatwhichpassesa10-mesh(approximately2-mmopenings)screenandispreparedaccordingtoPracticeD3974.1.3ActualelementquantitationcanbeaccomplishedbyfollowingthevarioustestmethodsunderotherappropriateASTMstandardsforelement(s)ofinterest.1.4Thedetectionlimitandlinearconcentrationrangeforeachelementisdependentontheatomicabsorptionoremissionspectrophotometrictechniqueemployedandmaybefoundinthemanualaccompanyingtheinstrumentused.1.5Beforeselectingadigestiontechnique,theusershouldconsulttheappropriatequantitationstandard(s)foranyspecialanalyticalconsiderations,andPracticeD3974foranyspecialpreparatoryconsiderations.1.6Theextentofextractionofelementsfromsoilsandsedimentsbythismethodisdependentuponthephysicalandmineralogiccharacteristicsofthepreparedsample.1.7Thevaluesstatedinbothinch-poundandSIunitsaretoberegardedseparatelyasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection8.
【中国标准分类号】:Z16
【国际标准分类号】:13_080_10
【页数】:4P.;A4
【正文语种】:


Product Code:SAE AS17108
Title:Bearing, Ball, Annular, Primarily for Aircraft Generators, Type Ii
Issuing Committee:Acbg Rolling Element Bearing Committee
Scope:No scope available.